How far is Portsmouth from Casper?
There are several ways to calculate distances between Casper and Portsmouth. Here are two common methods:Vincenty's formula (applied above)
- 1792.264 miles
- 2884.369 kilometers
- 1557.435 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 1787.473 miles
- 2876.659 kilometers
- 1553.272 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
Estimated flight time from Casper–Natrona County International Airport (CPR) to Portsmouth International Airport at Pease (PSM) is 3 hours 53 minutes.
Time difference and current local times
The time difference between Casper and Portsmouth is 2 hours. Portsmouth is 2 hours ahead of Casper.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 197 kg (435 pounds).
|A||Casper–Natrona County International Airport|
|B||Portsmouth International Airport at Pease|
Casper to Portsmouth flight map.
Frequent Flyer Miles Calculator
Casper (CPR) → Portsmouth (PSM).